QCD Effects in Cosmology

Details QCD Effects in Cosmology QCD Effects in Cosmology

2009-06-29

arxiv.org/abs/0906.5297v1

AIP Conf.Proc.1182:288-291,2009

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

4 pages, 2 figures. Contributed to CIPANP 2009: Tenth Conference on the Intersections of Particle and Nuclear Physics, May 26-

Scientific paper

10.1063/1.3293802

The cosmological evolution in the radiation dominated regimen is usually computed by assuming an ideal relativistic thermal bath. In this note, we discuss the deviation from the non-interaction assumption. In either the standard model (SM) and the minimal supersymmetric standard model (MSSM), the main contribution comes from the strong interaction. An understanding of these effects are important for precision measurements and for the evolution of scalar modes, where the commented corrections constitute the main source of the dynamics.

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